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Finding the Fourth Proportional to 364,528.30, 546,792.45 and 252,335.20

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Solution

The fourth proportional to 364,528.30, 546,792.45 and 252,335.20 is: 378,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,528.30 : 546,792.45 = 252,335.20 : x
  2. Step 2: Convert to fraction form
    364,528.30/546,792.45 = 252,335.20/x
  3. Step 3: Cross multiply
    364,528.30x = 546,792.45 × 252,335.20
  4. Step 4: Simplify right side
    364,528.30x = 137,974,982,229.24
  5. Step 5: Solve for x
    x = 137,974,982,229.24/364,528.30
  6. Step 6: Final answer
    x = 378,502.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.